【Exclusives from Origin-Joy】Independent design and manufacturing, original statement. 【Material】Made of 303 stainless steel, the body of the pen is evenly black sandblasted, then go through the vacuum titanium plating process (Innovative processing technology for you), it achieves a delicate touch and good gloss. And the hardness is up to 100 HRB. 【Size and Weight】The size (Length: 134mm, Diameter: 11mm). The weight is 58g. 【Mechanical Feel】Bolt action design, precision CNC machining, smooth operation, the longer you use it, the smoother it becomes. 【EDC Carry】The way pocket clip keeps deep carry, little from hanging out of your pocket. The stability of the stainless steel material allows you to use and carry it outdoors with confidence, completely EDC pen. 【Package Including】1 303 stainless steel pen, 4 universal gel black ink refills (0.5mm writing line). Origin-Joy 1 Pack Stainless Steel Bolt Action Pen Set, Heavy Duty EDC Pocket Gel Tactical Pen With 4 Ballpoint Refills (Black Sandblasting)